Re: [CAD_CAM_EDM_DRO] Re: cap question

Hello Roger,
I recomend you to take higher safety rating.
First 36V AC turns out to become 36V*square root of 2=50,9V DC
And Caps can virtually explode! under severe conditions.
Sven Peter

lenskeeper2000 wrote:

>
> Scott,
>
> What happens if you exceed the rated voltage on a big cap? Does it
> just short and the fuse blows or is it a bit more serious? I just
> upped my power and am running 36 v through a 40V rated, 65,000 mfd cap.
>
> Roger Nicholas
> Akron OH
>
> --- In CAD_CAM_EDM_DRO@y..., "Scott M. Thomas" <scott@d...> wrote:
> > No need to trim. In general, the more the better. I have about
> 50000uF on
> > my "on-going power supply project". I get about 300mV RMS ripple at 10A
> > with that setup.
> >
> > I would be a bit concerned about running a 60V cap at 58V. Are you
> sure it
> > will never go higher than that?
> >
> > Thanks
> > Scott
> >
> >
> >
> > -----Original Message-----
> > From: Mike Snodgrass [mailto:snarf@s...]
> > Sent: Monday, April 01, 2002 5:44 PM
> > To: CAD_CAM_EDM_DRO@y...
> > Subject: [CAD_CAM_EDM_DRO] cap question
> >
> >
> > Hello, on my on-going power supply project, I am putting
> > together a 25A unit. By using a rough estimate of 1000mf
> > per A load, I need 25000mf. I have a 33000mf 60V cap. The output of my
> > trans is 58V. Is there anyway to "trim"
> > 8000mf? How much overfiltering can be tolerated?
> >
> > Thanx
> > Mike
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
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